August weather forecast
Rethimno, Greece

Dusk in the Venetian Rethimno harbor in Greece
Dusk in the Venetian Rethimno harbor in Greece

Weather in August

August, the last month of the summer in Rethimno, is another warm month, with an average temperature varying between 21°C (69.8°F) and 29°C (84.2°F).
The ideal sea water temperature of 25.9°C (78.6°F) and 1mm (0.04") of accumulated rainfall makes August the best time for swimming and other water activities.

Temperature

In August, the average high-temperature in Rethimno is essentially the same as in July - a warm 29°C (84.2°F). In Rethimno, the average low-temperature is 21°C (69.8°F).

Rainfall

The months with the least rainfall in Rethimno are July and August with 1mm (0.04") of accumulated rain.

Sea temperature

The month with the warmest seawater in Rethimno, Greece, is August, with an average sea temperature of 25.9°C (78.6°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Rethimno, Greece, the average length of the day in August is 13h and 28min.
On the first day of the month, sunrise is at 06:30 and sunset at 20:26. On the last day of August, sunrise is at 06:53 and sunset at 19:51 EEST.

Sunshine

The months with the most sunshine are June through August, with an average of 12h of sunshine.

UV index

In Rethimno, the average daily maximum UV index in August is 9. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 9 in August transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the driest month in Rethimno?

July and August are months with the least rain in Rethimno, Greece, when 1mm (0.04") of rain is typically aggregated.

How much does it rain in Rethimno in August?

Throughout August, in Rethimno, Greece, 1mm (0.04") of precipitation is accumulated.

What is the month with the warmest sea water in Rethimno?

With an average sea temperature of 25.9°C (78.6°F), August is the month with the warmest seawater in Rethimno, Greece.

What is the water temperature in August in Rethimno?

In August, the average sea temperature is 25.9°C (78.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Rethimno?

In Rethimno, the average day length in August is 13h and 28min.

When are sunrise and sunset in August in Rethimno?

On the first day of August in Rethimno, Greece, sunrise is at 06:30 and sunset at 20:26. On the last day of the month, sunrise is at 06:53 and sunset at 19:51 EEST.

What are the months with the most sunshine in Rethimno?

June through August, with an average of 12h of sunshine, are months with the most sunshine.

How many hours of sunshine does Rethimno have in August?

In Rethimno, Greece, the average sunshine duration in August is 12h.

How high is the UV index in August in Rethimno?

In Rethimno, Greece, the average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high health threat from exposure to the Sun's UV radiation.

Average temperature in August
Rethimno, Greece

Average temperature in August - Rethimno, Greece
  • Average high temperature in August: 29°C

The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in August: 21°C

The months with the highest average low temperature are July and August (21°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).

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Average rainfall in August
Rethimno, Greece

Average rainfall in August - Rethimno, Greece
  • Average rainfall in August: 1mm

The wettest month (with the highest rainfall) is January (142mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in August
Rethimno, Greece

Average rainfall days in August - Rethimno, Greece
  • Average rainfall days in August: 0 days

The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (0 days).

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Average sea temperature in August
Rethimno, Greece

Average sea temperature in August - Rethimno, Greece
  • Average sea temperature in August: 25.9°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).

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Average daylight in August /
Average sunshine in August
Rethimno, Greece

Average daylight in August / Average sunshine in August - Rethimno, Greece
  • Average daylight in August: 13h and 28min

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

  • Average sunshine in August: 12h

The months with the most sunshine are June, July and August (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 4).

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Average UV index in August
Rethimno, Greece

Average UV index in August - Rethimno, Greece
  • Average UV index in August: 9

The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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